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相关论文: Magnetic fields on different spatial scales of the…

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L1521F is found to be forming multiple cores and it is cited as an example of the densest core with an embedded VeLLO in a highly dynamical environment. We present the core-scale magnetic fields (B-fields) in the near vicinity of the VeLLO…

Linearly polarized dust emission traces the plane-of-sky magnetic field structure, thus allowing us to investigate the role of magnetic fields in the formation and evolution of cloud cores. In this work, we present observations of dust…

太阳与恒星天体物理 · 物理学 2025-11-18 Shivani Gupta , Archana Soam , Janik Karoly , Chang Won Lee

We present JCMT POL-2 850 um dust polarization observations and Mimir H band stellar polarization observations toward the starless core L1512. We detect the highly-ordered core-scale magnetic field traced by the POL-2 data, of which the…

We report new 350 micron polarization observations of the thermal dust emission from the cores surrounding the low-mass, Class 0 YSOs L1527, IC348-SMM2 and B335. We have inferred magnetic field directions from these observations, and have…

We present the R-band polarimetric results towards two nebulae L1415 and L1389 containing low luminosity stars. Aim of this study is to understand the role played by magnetic fields in formation of low luminosity objects. Linear…

星系天体物理 · 物理学 2016-10-11 A. Soam , Chang Won Lee , Maheswar G. , Gwanjeong Kim , Neha S. , Mi-Ryang Kim

We have obtained sensitive dust continuum polarization observations at 850 $\mu$m in the B213 region of Taurus using POL-2 on SCUBA-2 at the James Clerk Maxwell Telescope (JCMT), as part of the BISTRO (B-fields in STar-forming Region…

星系天体物理 · 物理学 2021-06-23 Chakali Eswaraiah , Di Li , Ray S. Furuya , Tetsuo Hasegawa , Derek Ward-Thompson , Keping Qiu , Nagayoshi Ohashi , Kate Pattle , Sarah Sadavoy , Charles L. H. Hull , David Berry , Yasuo Doi , Tao-Chung Ching , Shih-Ping Lai , Jia-Wei Wang , Patrick M. Koch , Jungmi Kwon , Woojin Kwon , Pierre Bastien , Doris Arzoumanian , Simon Coudé , Archana Soam , Lapo Fanciullo , Hsi-Wei Yen , Junhao Liu , Thiem Hoang , Wen Ping Chen , Yoshito Shimajiri , Tie Liu , Zhiwei Chen , Hua-bai Li , A-Ran Lyo , Jihye Hwang , Doug Johnstone , Ramprasad Rao , Nguyen Bich Ngoc , Pham Ngoc Diep , Steve Mairs , Harriet Parsons , Motohide Tamura , Mehrnoosh Tahani , Huei-Ru Vivien Chen , Fumitaka Nakamura , Hiroko Shinnaga , Ya-Wen Tang , Jungyeon Cho , Chang Won Lee , Shu-ichiro Inutsuka , Tsuyoshi Inoue , Kazunari Iwasaki , Lei Qian , Jinjin Xie , Dalei Li , Hong-Li Liu , Chuan-Peng Zhang , Mike Chen , Guoyin Zhang , Lei Zhu , Jianjun Zhou , Philippe André , Sheng-Yuan Liu , Jinghua Yuan , Xing Lu , Nicolas Peretto , Tyler L. Bourke , Do-Young Byun , Sophia Dai , Yan Duan , Hao-Yuan Duan , David Eden , Brenda Matthews , Jason Fiege , Laura M. Fissel , Kee-Tae Kim , Chin-Fei Lee , Jongsoo Kim , Tae-Soo Pyo , Yunhee Choi , Minho Choi , Antonio Chrysostomou , Eun Jung Chung , Le Ngoc Tram , Erica Franzmann , Per Friberg , Rachel Friesen , Gary Fuller , Tim Gledhill , Sarah Graves , Jane Greaves , Matt Griffin , Qilao Gu , Ilseung Han , Jennifer Hatchell , Saeko Hayashi , Martin Houde , Koji Kawabata , Il-Gyo Jeong , Ji-hyun Kang , Sung-ju Kang , Miju Kang , Akimasa Kataoka , Francisca Kemper , Mark Rawlings , Jonathan Rawlings , Brendan Retter , John Richer , Andrew Rigby , Hiro Saito , Giorgio Savini , Anna Scaife , Masumichi Seta , Gwanjeong Kim , Kyoung Hee Kim , Mi-Ryang Kim , Florian Kirchschlager , Jason Kirk , Masato I. N. Kobayashi , Vera Konyves , Takayoshi Kusune , Kevin Lacaille , Chi-Yan Law , Sang-Sung Lee , Yong-Hee Lee , Masafumi Matsumura , Gerald Moriarty-Schieven , Tetsuya Nagata , Hiroyuki Nakanishi , Takashi Onaka , Geumsook Park , Xindi Tang , Kohji Tomisaka , Yusuke Tsukamoto , Serena Viti , Hongchi Wang , Anthony Whitworth , Hyunju Yoo , Hyeong-Sik Yun , Tetsuya Zenko , Yapeng Zhang , Ilse de Looze , C. Darren Dowell , Stewart Eyres , Sam Falle , Jean-François Robitaille , Sven van Loo

[Abridged] We carried out optical polarimetry of five dense cores, (IRAM 04191, L1521F, L328, L673-7, and L1014) which are found to harbour VeLLO. This study was conducted mainly to understand the role played by the magnetic field in the…

太阳与恒星天体物理 · 物理学 2019-08-06 A. Soam , G. Maheswar , Chang Won Lee , Sami Dib , H C Bhatt , Motohide Tamura , Gwanjeong Kim

We have mapped the magnetic field ($B$-field) for a region of about 30 pc around the centre of our Galaxy, which encompasses the circumnuclear disk (CND), the minispiral, and the 20 km s$^{-1}$ and 50 km s$^{-1}$ molecular clouds, using…

星系天体物理 · 物理学 2024-06-12 M. S. Akshaya , Thiem Hoang

We present observations of linear polarization from dust thermal emission at 850 $\mu m$ towards the starless cloud L183. These data were obtained at the James Clerk Maxwell Telescope (JCMT) using the Submillimetre Common-User Bolometer…

太阳与恒星天体物理 · 物理学 2020-08-10 Janik Karoly , Archana Soam , B-G Andersson , Simon Coudé , Pierre Bastien , John E. Vaillancourt , Chang Won Lee

We have mapped linearly polarized dust emission from the prestellar cores L1498 and L1517B with the James Clerk Maxwell Telescope (JCMT) using the Submillimetre Common User Bolometer Array (SCUBA) and its polarimeter SCUBAPOL at a…

天体物理学 · 物理学 2009-11-11 Jason M. Kirk , Derek Ward-Thompson , Richard M. Crutcher

In this study, the detailed magnetic field structure of the dense protostellar core Barnard 335 (B335) was revealed based on near-infrared polarimetric observations of background stars to measure dichroically polarized light produced by…

We present the B-fields mapped in IRDC G34.43+0.24 using 850\,$\mu$m polarized dust emission observed with the POL-2 instrument at JCMT. We examine the magnetic field geometries and strengths in the northern, central, and southern regions…

The orientation of the magnetic field (B-field) in the filamentary dark cloud GF 9 was traced from the periphery of the cloud into the L1082C dense core that contains the low-mass, low-luminosity Class 0 young stellar object (YSO) GF 9-2…

天体物理仪器与方法 · 物理学 2018-11-07 Dan P. Clemens , A. M. El Batal , C. Cerny , S. Kressy , G. Schroeder , T. Pillai

We present polarization maps of dust emission at 340 GHz in the luminous high-mass protocluster, W3 IRS5, observed with the Submillimeter Array. The projected magnetic fields appear fairly organized with a pinched morphology in the northern…

星系天体物理 · 物理学 2025-09-08 Huei-Ru Vivien Chen , Qizhou Zhang , Tao-Chung Ching , H. Beuther , Kuo-Song Wang

This paper reports the discovery of a Very Low Luminosity Object (VeLLO) in the "starless" dense core L328, using the Spitzer Space Telescope and ground based observations from near-infrared to millimeter wavelengths. The Spitzer 8 micron…

The magnetic field structure, kinematical stability, and evolutionary status of the starless dense core Barnard 68 (B68) are revealed based on the near-infrared polarimetric observations of background stars, measuring the dichroically…

(abridged) Together with gravity, turbulence, and stellar feedback, magnetic fields (B-fields) are thought to play a critical role in the evolution of molecular clouds and star formation processes. We aim to map the morphology and measure…

We present 850$\mu$m polarization observations of the L1689 molecular cloud, part of the nearby Ophiuchus molecular cloud complex, taken with the POL-2 polarimeter on the James Clerk Maxwell Telescope (JCMT). We observe three regions of…

In this work, we study the magnetic field morphology of selected star-forming clouds spread over the galactic latitude ($b$) range, $-10^\circ$ to $10^\circ$. The polarimetric observation of clouds CB24, CB27 and CB188 are conducted to…

星系天体物理 · 物理学 2022-06-22 Gulafsha B. Choudhury , Himadri S. Das , B. J. Medhi , J. C. Pandey , S. Wolf , T. K. Dhar , A. M. Mazarbhuiya

We present the results of simultaneous 450 $\mu$m and 850 $\mu$m polarization observations toward the massive star forming region NGC 2071IR, a target of the BISTRO (B-fields in Star-Forming Region Observations) Survey, using the POL-2…

星系天体物理 · 物理学 2021-10-04 A-Ran Lyo , Jongsoo Kim , Sarah Sadavoy , Doug Johnstone , David Berry , Kate Pattle , Woojin Kwon , Pierre Bastien , Takashi Onaka , James Di Francesco , Ji-Hyun Kang , Ray Furuya , Charles L. H. Hull , Motohide Tamura , Patrick M. Koch , Derek Ward-Thompson , Tetsuo Hasegawa , Thiem Hoang , Doris Arzoumanian , Chang Won Lee , Chin-Fei Lee , Do-Young Byun , Florian Kirchschlager , Yasuo Doi , Kee-Tae Kim , Jihye Hwang , Pham Ngoc Diep , Lapo Fanciullo , Sang-Sung Lee , Geumsook Park , Hyunju Yoo , Eun Jung Chung , Anthony Whitworth , Steve Mairs , Archana Soam , Tie Liu , Xindi Tang , Simon Coudé , Philippe André , Tyler L. Bourke , Huei-Ru Vivien Chen , Zhiwei Chen , Wen Ping Chen , Mike Chen , Tao-Chung Ching , Jungyeon Cho , Minho Choi , Yunhee Choi , Antonio Chrysostomou , Sophia Dai , C. Darren Dowell , Hao-Yuan Duan , Yan Duan , David Eden , Chakali Eswaraiah , Stewart Eyres , Jason Fiege , Laura M. Fisse , Erica Franzmann , Per Friberg , Rachel Friesen , Gary Fuller , Tim Gledhill , Sarah Graves , Jane Greaves , Matt Griffin , Qilao Gu , Ilseung Han , Jannifer Hatchell , Saeko Hayashi , Martin Houde , Tsuyoshi Inoue , Shu-ichiro Inutsuka , Kazunari Iwasaki , Il-Gyo Jeong , Miju Kang , Akimasa Kataoka , Koji Kawabata , Francisca Kemper , Gwanjeong Kim , Mi-Ryang Kim , Shinyoung Kim , Kyoung Hee Kim , Jason Kirk , Masato I. N. Kobayashi , Vera Könyves , Takayoshi Kusune , Jungmi Kwon , Kevin Lacaille , Shih-Ping Lai , Chi-Yan Law , Jeong-Eun Lee , Yong-Hee Lee , Hyeseung Lee , Dalei Li , Di Li , Hua-Bai Li , Hong-Li Liu , Junhao Liu , Sheng-Yuan Liu , Xing Lu , Masafumi Matsumura , Brenda Matthews , Gerald Moriarty-Schieven , Tetsuya Nagata , Fumitaka Nakamura , Hiroyuki Nakanishi , Nguyen Bich Ngoc , Nagayoshi Ohashi , Harriet Parsons , Nicolas Peretto , Felix Priestley , Tae-soo Pyo , Lei Qian , Keping Qiu , Ramprasad Rao , Jonathan Rawlings , Mark G. Rawlings , Brendan Retter , John Richer , Andrew Rigby , Hiro Saito , Giorgio Savini , Anna Scaife , Masumichi Seta , Yoshito Shimajiri , Hiroko Shinnaga , Mehrnoosh Tahani , Ya-Wen Tang , Kohji Tomisaka , Le Ngoc Tram , Yusuke Tsukamoto , Serena Viti , Jia-Wei Wang , Hongchi Wang , Jinjin Xie , Hsi-Wei Yen , Jinghua Yuan , Hyeong-Sik Yun , Tetsuya Zenko , Guoyin Zhang , Chuan-Peng Zhang , Yapeng Zhang , Jianjun Zhou , Lei Zhu , Ilse de Looze
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